#include"my_stdio.h"
#include"my_string.h"
#include<stdio.h>
#include<string.h>
#include<unistd.h>

int main()
{

  mFILE*fp=mfopen("log.txt","a");
  if(fp==NULL)return  1;
  const char *s="hello";
  int size= my_strlen(s);
  mfwrite(s,my_strlen(s),fp);

  printf("size:%d\n",size);
  mfclose(fp);



  return 0;
}

